voxelcoreprojects/voxelcore
1
0
Fork 0
mirror of https://github.com/MihailRis/voxelcore.git synced 2026-10-04 18:41:51 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

add 'network.find_free_port' function

Browse source
This commit is contained in:
MihailRis 2025-11-15 16:18:34 +03:00
parent 5b3e88bbf1
commit 1f1cb22e4d
4 changed files with 34 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

21
src/network/Sockets.cpp
View file

@ -443,6 +443,7 @@ public:
closesocket(descriptor);
throw std::runtime_error("could not bind port "+std::to_string(port));
}
port = ntohs(address.sin_port);
logger.info() << "opened server at port " << port;
auto server =
std::make_shared<SocketTcpServer>(id, network, descriptor, port);
@ -721,4 +722,24 @@ namespace network {
) {
return SocketUdpServer::openServer(id, network, port, handler);
}
int find_free_port() {
SOCKET descriptor = socket(AF_INET, SOCK_STREAM, 0);
if (descriptor == -1) {
return -1;
}
sockaddr_in address;
address.sin_family = AF_INET;
address.sin_addr.s_addr = INADDR_ANY;
address.sin_port = 0;
if (bind(descriptor, (sockaddr*)&address, sizeof(address)) < 0) {
closesocket(descriptor);
return -1;
}
socklen_t len = sizeof(address);
getsockname(descriptor, (sockaddr*)&address, &len);
int port = ntohs(address.sin_port);
closesocket(descriptor);
return port;
}
}